/**
 * Background Rendering Service
 *
 * Provides utility functions for rendering gradients and calculating particle properties.
 */
import type { IBackgroundRenderingService } from "../contracts/IBackgroundRenderingService.js";
import type { Dimensions, GradientStop } from "../domain/types.js";
export declare class BackgroundRenderingService implements IBackgroundRenderingService {
    drawGradient(ctx: CanvasRenderingContext2D, dimensions: Dimensions, gradientStops: readonly GradientStop[]): void;
    calculateParticleCount(dimensions: Dimensions, baseDensity: number, quality: "high" | "medium" | "low"): number;
    shouldEnableSeasonalFeatures(): boolean;
}
export declare function getBackgroundRenderingService(): BackgroundRenderingService;
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